Ace your Data Scientist interviews

Insider questions and guides distilled from 100,000+ data scientist interviews.

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Spam Classifier
recently asked at Meta
Machine LearningMachine Learning
Alphabet Sum
recently asked at Shopify
PythonPython
Manager Team Sizes
recently asked at Amazon
SQLSQL
Question Detection Ambiguity
recently asked at Google
LLMLLM

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Interview Questions for Data Scientist

Real questions from recent interviews at top companies.

QuestionTopicDifficultyAsk Chance
Sales vs Revenue
Product Metrics
Easy
Very High
Let’s say you work at a European e-commerce company that sells headphones across five pricing tiers. You’re given two charts: one showing units sold per tier, and another showing the revenue contribution percentage based on estimated average selling prices.

What insights can you draw from these two charts, and which tier would you prioritize for future growth?
Lowest Paid
SQL
Medium
Very High
Cancellation Fees
A/B Testing & Experimentation
Hard
Very High

800+ more questions with detailed answer frameworks inside the guide.

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Doordash

Doordash Data Scientist Interview Guide

DoorDash continues to grow rapidly in the U.S. and international markets, reshaping how people access local goods and services—from food to flowers to convenience store items. As one of the most sought-after tech companies…

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Interview Questions

Interview Questions

Real data scientist questions from top companies with guided solution paths.

Data Scientist Learning Path

Data Scientist Learning Path

Step-by-step curriculum across SQL, product sense, ML, and coding.

Company Specific Interview Guides

Company Specific Interview Guides

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AI Interviewer

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Mock Interviews

Mock Interviews

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Expert Coaching

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